Anyone who cares about the water they drink and recreate in should be denouncing water pollution trading and fighting to keep financial markets out of our rivers and lakes - the health of our waterways is just too important to hand over to Wall Street.

This is in stark contrast to how the public and some analysts make their picks. Unfortunately, it's also the best way to lose one's objectivity in managing risk. Objectivity and risk management are Siamese twins.

You might think the experience of pulling Knight Capital out of the flaming wreckage of its high-speed trading crash might make Wall Street finally see the need for regulation of high-speed trading. You would of course be dead wrong.

The average customer has more to lose than to gain from the high-stakes world of bank investing. That's why rules to separate such speculative activity from traditional banking operations would benefit customers who depend on bread-and-butter products like checking and savings accounts.

I began to fear that I was spending too much of my life's stress budget on something that quite honestly, was helping to wreak tremendous economic havoc. Ultimately I decided to walk away from an extremely lucrative profession.